feat: AI虚拟用户新闻互动系统 v1.3.0 初始提交

- 虚拟用户管理（昵称/头像/性别/简介/邮箱同步到目标平台）
- AI互动调度（点赞/收藏/评论/转发）
- 日志时间改为北京时间
- 评论达上限后继续执行点赞收藏转发
- 一键登出全部功能
- 浅色主题UI

frontend/src/router/index.js

@@ -0,0 +1,22 @@
+import { createRouter, createWebHistory } from 'vue-router'
+
+const routes = [
+  {
+    path: '/',
+    component: () => import('@/layouts/MainLayout.vue'),
+    children: [
+      { path: '', redirect: '/dashboard' },
+      { path: 'dashboard', component: () => import('@/views/Dashboard.vue'), meta: { title: '数据看板' } },
+      { path: 'users', component: () => import('@/views/Users.vue'), meta: { title: '虚拟用户管理' } },
+      { path: 'interactions', component: () => import('@/views/Interactions.vue'), meta: { title: '互动记录' } },
+      { path: 'ai-models', component: () => import('@/views/AIModels.vue'), meta: { title: 'AI模型配置' } },
+      { path: 'scheduler', component: () => import('@/views/Scheduler.vue'), meta: { title: '调度设置' } },
+      { path: 'logs', component: () => import('@/views/Logs.vue'), meta: { title: '日志管理' } },
+    ]
+  }
+]
+
+export default createRouter({
+  history: createWebHistory(),
+  routes
+})